Base | Representation |
---|---|
bin | 111000111101001100… |
… | …0011110100011001110 |
3 | 102200201011012200220111 |
4 | 1301322120132203032 |
5 | 4000443423234410 |
6 | 132104533310234 |
7 | 11560004401501 |
oct | 1617230364316 |
9 | 380634180814 |
10 | 122312321230 |
11 | 47966131300 |
12 | 1b85619537a |
13 | b6c3284798 |
14 | 5cc44a1138 |
15 | 32aceacb8a |
hex | 1c7a61e8ce |
122312321230 has 96 divisors (see below), whose sum is σ = 252760435200. Its totient is φ = 42502595520.
The previous prime is 122312321189. The next prime is 122312321239. The reversal of 122312321230 is 32123213221.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122312321239) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52291401 + ... + 52293739.
It is an arithmetic number, because the mean of its divisors is an integer number (2632921200).
Almost surely, 2122312321230 is an apocalyptic number.
122312321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122312321230 is an abundant number, since it is smaller than the sum of its proper divisors (130448113970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122312321230 is a wasteful number, since it uses less digits than its factorization.
122312321230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4270 (or 4259 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 122312321230 its reverse (32123213221), we get a palindrome (154435534451).
The spelling of 122312321230 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred twenty-one thousand, two hundred thirty".
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